The Secret Teachings of All Ages - An Encyclopedic Outline of Masonic, Hermetic, Qabbalistic and Rosicrucian Symbolical Philosophy — by Manly P. Hall

This is perhaps the most comprehensive and complete esoteric encyclopedia ever written. The sheer scope and ambition of this book are stunning. In this book Manly P. Hall has successfully distilled the essence of more arcane subjects than one would think possible ...

This is essential reading for anyone wishing to explore esoteric knowledge.